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European Journal of Human Genetics: EJHG

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https://www.readbyqxmd.com/read/28722703/deep-intronic-hotspot-variant-unraveling-rhabdoid-tumor-predisposition-syndrome-in-two-patients-with-atypical-teratoid-and-rhabdoid-tumor
#1
Arnault Tauziède-Espariat, Julien Masliah-Planchon, Laurence Brugières, Stéphanie Puget, Christelle Dufour, Pascale Schneider, Annie Laquerrière, Thierry Frebourg, Damien Bodet, Emmanuèle Lechapt-Zalcman, Gaëlle Pierron, Olivier Delattre, Pascale Varlet, Franck Bourdeaut
About one third of patients with rhabdoid tumors (RT) harbor a heterozygous germline variant in SMARCB1. Molecular diagnosis therefore keeps a crucial place in the diagnosis of RT, and genetic counseling should be systematically recommended. However, immunohistochemistry has progressively replaced molecular tools to assess the status of SMARCB1 in tumors; the necessity of analyzing SMARCB1 status in the tumor may thus be less considered by neuropathologists and pediatric neuro-oncologists. In the present manuscript as aforementioned, we report on two patients with bifocal RT in the first month of life and in whom no germline variant was initially found in the SMARCB1 coding sequence...
July 19, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28699632/wilms-tumour-in-beckwith-wiedemann-syndrome-and-loss-of-methylation-at-imprinting-centre-2-revisiting-tumour-surveillance-guidelines
#2
Jack Brzezinski, Cheryl Shuman, Sanaa Choufani, Peter Ray, Dmitiri J Stavropoulos, Raveen Basran, Leslie Steele, Nicole Parkinson, Ronald Grant, Paul Thorner, Armando Lorenzo, Rosanna Weksberg
Beckwith-Wiedemann Syndrome (BWS) is an overgrowth syndrome caused by a variety of molecular changes on chromosome 11p15.5. Children with BWS have a significant risk of developing Wilms tumours with the degree of risk being dependent on the underlying molecular mechanism. In particular, only a relatively small number of children with loss of methylation at the centromeric imprinting centre (IC2) were reported to have developed Wilms tumour. Discontinuation of tumour surveillance for children with BWS and loss of methylation at IC2 has been proposed in several recent publications...
July 12, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28699631/co-inheritance-of-mutations-associated-with-arrhythmogenic-cardiomyopathy-and-hypertrophic-cardiomyopathy
#3
Marzia De Bortoli, Chiara Calore, Alessandra Lorenzon, Martina Calore, Giulia Poloni, Elisa Mazzotti, Ilaria Rigato, Martina Perazzolo Marra, Paola Melacini, Sabino Iliceto, Gaetano Thiene, Cristina Basso, Luciano Daliento, Domenico Corrado, Alessandra Rampazzo, Barbara Bauce
Arrhythmogenic cardiomyopathy (ACM) and hypertrophic cardiomyopathy (HCM) are genetically and phenotypically distinct disorders of the myocardium. Here we describe for the first time co-inheritance of mutations in genes associated with ACM or HCM in two families with recurrence of both cardiomyopathies. Among the double heterozygotes for mutations in desmoplakin (DSP) and myosin binding protein C (MYBPC3) genes identified in Family A, two were diagnosed with ACM and two with HCM. In Family B, one patient was identified to carry mutations in α-T-catenin (CTTNA3) and β-myosin (MYH7) genes, but he does not fulfill the current diagnostic criteria neither for ACM nor for HCM...
July 12, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635954/phenotypic-extremes-of-bicd2-opathies-from-lethal-congenital-muscular-atrophy-with-arthrogryposis-to-asymptomatic-with-subclinical-features
#4
Markus Storbeck, Beate Horsberg Eriksen, Andreas Unger, Irmgard Hölker, Ingvild Aukrust, Lilian A Martínez-Carrera, Wolfgang A Linke, Andreas Ferbert, Raoul Heller, Matthias Vorgerd, Gunnar Houge, Brunhilde Wirth
Heterozygous variants in BICD cargo adapter 2 (BICD2) cause autosomal dominant spinal muscular atrophy, lower extremity-predominant 2 (SMALED2). The disease is usually characterized by a benign or slowly progressive, congenital or early onset muscle weakness and atrophy that mainly affects the lower extremities, although some affected individuals show involvement of the arms and the shoulder girdle. Here we report unusual extremes of BICD2-related diseases: A severe form of congenital muscular atrophy with arthrogryposis multiplex, respiratory insufficiency and lethality within four months...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635952/yunis-var%C3%A3-n-syndrome-caused-by-biallelic-vac14-mutations
#5
Matthew A Lines, Yoko Ito, Kristin D Kernohan, Wendy Mears, Julie Hurteau-Miller, Sunita Venkateswaran, Leanne Ward, Karine Khatchadourian, Jeff McClintock, Priya Bhola, Philippe M Campeau, Kym M Boycott, Jean Michaud, André Bp van Kuilenburg, Sacha Ferdinandusse, David A Dyment
Yunis-Varón syndrome (YVS) is an autosomal recessive disorder comprising skeletal anomalies, dysmorphism, global developmental delay and intracytoplasmic vacuolation in brain and other tissues. All hitherto-reported pathogenic variants affect FIG4, a lipid phosphatase involved in phosphatidylinositol (3,5)-bisphosphate [PtdIns(3,5)P2] metabolism. FIG4 interacts with PIKfyve, a lipid kinase, via the adapter protein VAC14; all subunits of the resulting complex are essential for PtdIns(3,5)P2 synthesis in the endolysosomal membrane compartment...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635950/genetically-predicted-high-body-mass-index-was-associated-with-increased-gastric-cancer-risk
#6
Yingying Mao, Caiwang Yan, Qun Lu, Meng Zhu, Fei Yu, Cheng Wang, Juncheng Dai, Hongxia Ma, Zhibin Hu, Hongbing Shen, Guangfu Jin
Epidemiological studies have linked body mass index (BMI) with risk of gastrointestinal cancers. However, for gastric cancer, the relationship is more controversial. In particular, it is unclear whether the observed association is due to confounding or bias inherent in conventional observational studies. To investigate whether BMI is causally associated with gastric cancer risk, we applied Mendelian randomization using individual-level data from 2631 gastric cancer cases and 4373 cancer-free controls. We derived a weighted genetic risk score (wGRS) using 37 BMI-associated genetic variants as an instrumental variable...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635949/non-coding-variants-contribute-to-the-clinical-heterogeneity-of-ttr-amyloidosis
#7
Andrea Iorio, Antonella De Lillo, Flavio De Angelis, Marco Di Girolamo, Marco Luigetti, Mario Sabatelli, Luca Pradotto, Alessandro Mauro, Anna Mazzeo, Claudia Stancanelli, Federico Perfetto, Sabrina Frusconi, Filomena My, Dario Manfellotto, Maria Fuciarelli, Renato Polimanti
Coding mutations in TTR gene cause a rare hereditary form of systemic amyloidosis, which has a complex genotype-phenotype correlation. We investigated the role of non-coding variants in regulating TTR gene expression and consequently amyloidosis symptoms. We evaluated the genotype-phenotype correlation considering the clinical information of 129 Italian patients with TTR amyloidosis. Then, we conducted a re-sequencing of TTR gene to investigate how non-coding variants affect TTR expression and, consequently, phenotypic presentation in carriers of amyloidogenic mutations...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28612835/coexisting-variants-in-ostm1-and-maneal-cause-a-complex-neurodegenerative-disorder-with-nbia-like-brain-abnormalities
#8
Diran Herebian, Bader Alhaddad, Annette Seibt, Thomas Schwarzmayr, Katharina Danhauser, Dirk Klee, Stefani Harmsen, Thomas Meitinger, Tim M Strom, Ansgar Schulz, Ertan Mayatepek, Tobias B Haack, Felix Distelmaier
Coexistence of different hereditary diseases is a known phenomenon in populations with a high consanguinity rate. The resulting clinical phenotypes are extremely challenging for physicians involved in the care of these patients. Here we describe a 6-year-old boy with co-occurrence of a homozygous splice defect in OSTM1, causing infantile malignant osteopetrosis, and a loss-of-function variant in MANEAL, which has not been associated with human disease so far. The child suffered from severe infantile-onset neurodegeneration that could not be stopped by bone marrow transplantation...
June 14, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28612833/variant-in-the-x-chromosome-spliceosomal-gene-gpkow-causes-male-lethal-microcephaly-with-intrauterine-growth-restriction
#9
Renée Carroll, Raman Kumar, Marie Shaw, Jennie Slee, Vera M Kalscheuer, Mark A Corbett, Jozef Gecz
Congenital microcephaly, with or without additional developmental defects, is a heterogeneous disorder resulting from impaired brain development during early fetal life. The majority of causative genetic variants identified thus far are inherited in an autosomal recessive manner and impact key cellular pathways such as mitosis, DNA damage response and repair, apoptosis and splicing. Here, we report a novel donor splice site variant in the G-patch domain and KOW motifs (GPKOW) gene (NG_021310.2:g.6126G>A, NM_015698...
June 14, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28612832/a-novel-de-novo-mutation-in-myt1-the-unique-oavs-gene-identified-so-far
#10
Marie Berenguer, Angele Tingaud-Sequeira, Mileny Colovati, Maria I Melaragno, Silvia Bragagnolo, Ana B A Perez, Benoit Arveiler, Didier Lacombe, Caroline Rooryck
Oculo-auriculo-vertebral spectrum (OAVS) is a developmental disorder characterized by hemifacial microsomia associated with ear, eyes and vertebrae malformations showing highly variable expressivity. Recently, MYT1, encoding the myelin transcription factor 1, was reported as the first gene involved in OAVS, within the retinoic acid (RA) pathway. Fifty-seven OAVS patients originating from Brazil were screened for MYT1 variants. A novel de novo missense variant affecting function, c.323C>T (p.(Ser108Leu)), was identified in MYT1, in a patient presenting with a severe form of OAVS...
June 14, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28561020/england-uses-a-competency-based-approach-to-consent-for-health-interventions
#11
Christopher Harling
No abstract text is available yet for this article.
May 31, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28561019/reply-to-c-harling
#12
Karine Sénécal, Kristof Thys, Danya F Vears, Kristof Van Assche, Bartha M Knoppers, Pascal Borry
No abstract text is available yet for this article.
May 31, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28513617/the-perceived-impact-of-the-european-registration-system-for-genetic-counsellors-and-nurses
#13
Milena Paneque, Ramona Moldovan, Christophe Cordier, Clara Serra-Juhé, Irene Feroce, Sara Pasalodos, Emmanuelle Haquet, Debby Lambert, Inga Bjørnevoll, Heather Skirton
The aim of the European Board of Medical Genetics has been to develop and promote academic and professional standards necessary in order to provide competent genetic counselling services. The aim of this study was to explore the impact of the European registration system for genetic nurses and counsellors from the perspectives of those professionals who have registered. Registration system was launched in 2013. A cross-sectional, online survey was used to explore the motivations and experiences of those applying for, and the effect of registration on their career...
May 17, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28513612/insertion-of-alu-elements-at-a-pten-hotspot-in-cowden-syndrome
#14
Louise Crivelli, Virginie Bubien, Natalie Jones, Jennifer Chiron, Françoise Bonnet, Emmanuelle Barouk-Simonet, Patrice Couzigou, Nicolas Sevenet, Frédéric Caux, Michel Longy
Cowden syndrome (CS) is an inherited autosomal dominant disorder associated with germline pathogenic variants of the PTEN tumor suppressor gene. Its phenotypical expression is highly variable and the existence of patients with a CS suggestive phenotype without pathogenic PTEN variant may be related to genetic heterogeneity. In order to explore this hypothesis through the detection of potentially deleterious variants enabling us to identify a new candidate gene, we performed whole-exome sequencing (WES) in a series of 22 CS patients without detectable PTEN pathogenic variant using conventional methods for mutation screening...
May 17, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28488680/some-pioneers-of-european-human-genetics
#15
Peter S Harper
Some of the pioneers of human genetics across Europe are described, based on a series of 100 recorded interviews made by the author. These interviews, and the memories of earlier workers in the field recalled by interviewees, provide a vivid picture, albeit incomplete, of the early years of human and medical genetics. From small beginnings in the immediate post-World War 2 years, human genetics grew rapidly across many European countries, a powerful factor being the development of human cytogenetics, stimulated by concerns over the risks of radiation exposure...
May 10, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28488679/the-european-society-of-human-genetics-beginnings-early-history-and-development-over-its-first-25-years
#16
Peter S Harper
The European Society of Human Genetics (ESHG) was founded on 15 March 1967, after preliminary discussions at the International Human Genetics Congress in Chicago the previous year and in Copenhagen in early 1967. Its initial meeting was held on 18-19 November 1967, also in Copenhagen, and annual meetings have been held from that time until the present, apart from years in which the International Congress of Human Genetics was also being held. The character of the Society during its early years was strongly influenced by its founding and permanent Secretary, Jan Mohr, head of the Copenhagen Institute of Medical Genetics, whose records are archived in the Tage Kemp/Jan Mohr Archive, now part of the Danish National Archives...
May 10, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28488676/introduction-to-the-first-eshg-ejhg-anniversary-issue
#17
EDITORIAL
Gertjan van Ommen
No abstract text is available yet for this article.
May 10, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28703222/transparency-of-genetic-testing-services-for-health-wellness-and-lifestyle-analysis-of-online-prepurchase-information-for-uk-consumers
#18
Jacqueline A Hall, Rena Gertz, Joan Amato, Claudia Pagliari
The declining cost of DNA sequencing has been accompanied by a proliferation of companies selling 'direct-to-consumer genetic testing' (DTC-GT) services. Many of these are marketed online as tools for enabling citizens to make more informed decisions about their health, wellness and lifestyle. We assessed the 'information for consumers' provided by these companies at the prepurchase stage, which could influence initial decisions to part with money, data or tissue samples. A scoping exercise revealed 65 DTC-GT companies advertising their services online to consumers in the United Kingdom, of which 15 met our inclusion criteria...
August 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635953/rare-rnf213-variants-in-the-c-terminal-region-encompassing-the-ring-finger-domain-are-associated-with-moyamoya-angiopathy-in-caucasians
#19
Stéphanie Guey, Markus Kraemer, Dominique Hervé, Thomas Ludwig, Manoëlle Kossorotoff, Françoise Bergametti, Jan Claudius Schwitalla, Simone Choi, Lucile Broseus, Isabelle Callebaut, Emmanuelle Genin, Elisabeth Tournier-Lasserve
Moyamoya angiopathy (MMA) is a cerebral angiopathy affecting the terminal part of internal carotid arteries. Its prevalence is 10 times higher in Japan and Korea than in Europe. In East Asian countries, moyamoya is strongly associated to the R4810K variant in the RNF213 gene that encodes for a protein containing a RING-finger and two AAA+ domains. This variant has never been detected in Caucasian MMA patients, but several rare RNF213 variants have been reported in Caucasian cases. Using a collapsing test based on exome data from 68 European MMA probands and 573 ethnically matched controls, we showed a significant association between rare missense RNF213 variants and MMA in European patients (odds ratio (OR)=2...
August 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635951/new-insights-into-the-imprinted-meg8-dmr-in-14q32-and-clinical-and-molecular-description-of-novel-patients-with-temple-syndrome
#20
Jasmin Beygo, Alma Küchler, Gabriele Gillessen-Kaesbach, Beate Albrecht, Jonas Eckle, Thomas Eggermann, Alexandra Gellhaus, Deniz Kanber, Ulrike Kordaß, Hermann-Josef Lüdecke, Sabine Purmann, Eva Rossier, Johannes van de Nes, Ilse M van der Werf, Maren Wenzel, Dagmar Wieczorek, Bernhard Horsthemke, Karin Buiting
The chromosomal region 14q32 contains several imprinted genes, which are expressed either from the paternal (DLK1 and RTL1) or the maternal (MEG3, RTL1as and MEG8) allele only. Imprinted expression of these genes is regulated by two differentially methylated regions (DMRs), the germline DLK1/MEG3 intergenic (IG)-DMR (MEG3/DLK1:IG-DMR) and the somatic MEG3-DMR (MEG3:TSS-DMR), which are methylated on the paternal and unmethylated on the maternal allele. Disruption of imprinting in the 14q32 region results in two clinically distinct imprinting disorders, Temple syndrome (TS14) and Kagami-Ogata syndrome (KOS14)...
August 2017: European Journal of Human Genetics: EJHG
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